tert-butyl-[(2S,3R,6S)-6-((4RS)-2,2-dimethyl[1,3]dioxolan-4-ylmethyl)-3-methyltetrahydropyran-2-ylmethoxy]dimethylsilane

{(2R,3R,6S)-6-[(2RS)-(3E)-2-(tert-butyldimethylsilanyloxy)-pent-3-enyl]-3-methyltetrahydropyran-2-yl}acetic acid

(2R,3S)-3-(tert-butyldimethylsilanyloxy)-4-(2-{(2S,3R,6S)-6-[2-(tert-butyldimethylsilanyloxy)pent-3-enyl]-3-methyltetrahydropyran-2-yl}acetylamino)-2-methylbutyric acid

(2R,3S)-3-(tert-butyldimethylsilanyloxy)-4-(2-{(2S,3R,6S)-6-[2-(tert-butyldimethylsilanyloxy)pent-3-enyl]-3-methyltetrahydropyran-2-yl}acetylamino)-2-methylbutyric triisopropylsilanyl ester